If you can't see the map in the New Dispatcher, you may need to clear your cache and cookies.
- Google Chrome:Click Chrome menu on browser toolbarSelect SettingsClick Show advance settingsClick Content settings in Privacy sectionIn Cookies section, click on All cookies and site data, search for lb.nowforce.com or nowforce select the site then the cookie, and click Remove/x
- Firefox:Click Firefox button or Tools menu, then click OptionsSelect Privacy panelSet Firefox will: to "Use custom settings for history"Click Show CookiesIn the search field, type the name of the site whose cookies you want to remove.Select the cookie in the list to remove and click "Remove Cookie"Click "Close"
- Internet Explorer 9:Click on Tools, Internet OptionsUnder Browsing History, click SettingsClick View FilesLocate the cookies to delete, right click and then click Delete
For all this info in one nifty page with nice screenshots: http://www.howtogeek.com/111925/delete-cookies-in-the-five-most-popular-web-browsers-in-windows